48 CFR § 14.407-1 - General.
After the opening of bids, contracting officers shall examine all bids for mistakes. In cases of apparent mistakes and in cases where the contracting officer has reason to believe that a mistake may have been made, the contracting officer shall request from the bidder a verification of the bid, calling attention to the suspected mistake. If the bidder alleges a mistake, the matter shall be processed in accordance with this section 14.407. Such actions shall be taken before award.